CN108487414A - The waterproof construction and construction method of bell and spigot or steel bellmouth concrete pipe seam crossing - Google Patents
The waterproof construction and construction method of bell and spigot or steel bellmouth concrete pipe seam crossing Download PDFInfo
- Publication number
- CN108487414A CN108487414A CN201810334517.2A CN201810334517A CN108487414A CN 108487414 A CN108487414 A CN 108487414A CN 201810334517 A CN201810334517 A CN 201810334517A CN 108487414 A CN108487414 A CN 108487414A
- Authority
- CN
- China
- Prior art keywords
- seam crossing
- base treatment
- pipeline
- bellmouth
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention provides the waterproof construction and construction method of a kind of bell and spigot or steel bellmouth concrete pipe seam crossing, including the base treatment oxidant layer at pipeline joint-seam on the pipeline outer wall of both sides, base treatment oxidant layer distinguishes extension at least 400mm on the pipeline outer tube wall of both sides along seam crossing；Base treatment oxidant layer is equipped with the spraying rapid hardening liguid rubber layer for the 1.5mm 2.5mm thickness being covered in above seam crossing, and spraying rapid hardening liguid rubber layer distinguishes extension at least 300mm on the pipeline outer tube wall of both sides along seam crossing；It is coated with pyrocondensation belt on spraying rapid hardening liguid rubber layer, the thickness of pyrocondensation belt is at least 1mm.The waterproof construction of the present invention improves the reliability and durability of pipe joint sealing, rapid rescue repairing when pipe leakage can be achieved, save construction time and operating expenses, the generation for reducing leakage has great importance to the pollution for reducing Leakage for Groundwater, the service life for extending pipeline, raising social benefit.
Description
Technical field
The present invention relates to the waterproof construction of concrete pipe more particularly to a kind of bell and spigot or steel bellmouth concrete pipe seam crossing and apply
Work method, the more particularly to waterproof construction and construction party of bell and spigot or steel bellmouth concrete pipe seam crossing in urban underground water drainage pipe road
Method.
Background technology
Expanding recently as city size, the successive aging of municipal drainage pipe network, new pipeline network construction quality are irregular, by
Road surface collapses caused by urban drainage pipe network leakage, and less serious case causes linear fractures, chicken-wire cracking, severe one to cause Local Road Surface broken
It is bad, cave in, or even there is hollow place, cause and sink vehicle and fall into occurrences in human life part, seriously threaten the life and property safety of passenger, ground drains ring
The problems such as border is polluted also is emerged one after another.Wherein, drainpipe pipeline joint-seam leakage is that urban water supply system is main, most common
Problem.
Currently, 90% or more urban discharging pipeline uses armored concrete material, interface mode mainly to have flat mouth, tongue and groove
(steel bellmouth) and three kinds of bell and spigot, as shown in Figure 1-Figure 3.The characteristics of urban pipe network, is long range, multi-pipe-diameter, need to adapt to multisystem
(rainwater/sewage/special type water/ecological water), environment and geological conditions variation are greatly, stress concentration is in pipeline joint-seam position.Drainpipe
Road is usually layed in underground, belongs to concealed work, goes wrong and is not easy to be noticeable；When long range aqueous medium conveys, inside pipe wall is cut
Shear force, tube coupling are wriggled, bearing capacity of the ground caused by geo-environmental change changes and the natural calamities such as earthquake, can all pipeline be made to generate
Displacement, the active force that axially and radially displacement generates concentrate on pipeline joint-seam position.
Invention content
To solve the above problems, the present invention provides the waterproof construction of a kind of bell and spigot or steel bellmouth concrete pipe seam crossing and applies
Work method.
The purpose of the present invention is what is realized in the following manner：A kind of waterproof knot of bell and spigot or steel bellmouth concrete pipe seam crossing
Base treatment oxidant layer at structure, including pipeline joint-seam on the pipeline outer wall of both sides, base treatment oxidant layer is along seam crossing to the pipe of both sides
Extension at least 400mm is distinguished on road outer tube wall；It is thick that base treatment oxidant layer is equipped with the 1.5mm-2.5mm being covered in above seam crossing
The spraying rapid hardening liguid rubber layer of degree, spraying rapid hardening liguid rubber layer distinguish extension on the pipeline outer tube wall of both sides along seam crossing
At least 300mm；It is coated with pyrocondensation belt on spraying rapid hardening liguid rubber layer, the thickness of pyrocondensation belt is at least 1mm.
Uncured rubber asphalt waterproof coating is additionally provided between base treatment oxidant layer and spraying rapid hardening liguid rubber layer to be formed
Thickness be 1mm-2mm uncured rubber asphalt waterproof coating layer.
Uncured rubber asphalt waterproof coating layer distinguishes perimetric length and spray on the pipeline outer tube wall of both sides along seam crossing
It is identical to apply rapid hardening liguid rubber layer.
Base treatment agent is and sprays rapid hardening liguid rubber layer and uncured rubber asphalt waterproof coating layer respectively chemically
The compatible epoxy type base treatment agent of energy.
Epoxy type base treatment agent is two component epoxy base treatment agent or single-component epoxy base treatment agent；Two-component ring
Oxygen base treatment agent is the mixture of oil-soluble epoxy resin and curing agent, and curing agent is imidazoles, polyamide and anhydride
Epoxy hardener, single-component epoxy base treatment agent are emulsion type epoxy modified acrylic resin；Two component epoxy base treatment
Curing agent used in agent is imidazoles, polyamide and anhydride epoxy hardener.
A kind of construction method of the waterproof construction of steel bellmouth concrete pipe seam crossing, includes the following steps,
（1）It removes at two tube seams on interface and on two pipe inside and outside walls away from whole dusts in seam crossing at least 400mm and different
Object smears non-grease lubricant in the interface of two pipelines connection；
（2）Brushing base treatment agent forms base treatment oxidant layer on the pipeline outer tube wall of both sides at the pipeline joint-seam, for fixing
Laitance, increases surface cleanliness and intensity at gravel, ensures adhesiving effect, and the width of base treatment oxidant layer is along seam crossing to both sides
Pipeline outer tube wall on respectively extension at least 400mm, it is then greasy with Non-woven tape 5, epoxy at 7 outer end port 71 of seam crossing
Any one of son, flexible putty for external wall or butyl rubber sealing compound fill and lead up compacting, the i.e. outer ring surface with base treatment oxidant layer
It is equal；
Or the adaptable sealing rubber ring of upper size is covered in the gap of two adjacent channels connection, then both sides at pipeline joint-seam
Pipeline outer tube wall on brushing base treatment agent formed base treatment oxidant layer, for fix laitance, gravel, increase surface cleanliness
And intensity, ensure that adhesiving effect, the width of base treatment oxidant layer are extended down to along seam crossing on the pipeline outer tube wall of both sides outside respectively
Few 400mm；
（3）Spraying spraying rapid hardening liquid rubber forms the spraying rapid hardening liquid being covered in above seam crossing in base treatment oxidant layer
Rubber layer；
（4）After spraying rapid hardening liguid rubber layer dry solidification, in spraying one layer of pyrocondensation belt of rapid hardening liguid rubber layer outer cladding, heat
The joint area of contracting band is welded with hot air welding gun, and fire-cureing pyrocondensation belt with liquefaction gas spray gun makes its contraction, is tightly wrapped up in and is held pipeline and connect
Seam.
A kind of construction method of the waterproof construction of bell and spigot concrete pipe seam crossing, includes the following steps,
（1）It removes at two tube seams on interface and on two pipe inside and outside walls away from whole dusts in seam crossing at least 400mm and different
Object；
（2）The corresponding rubber seal of upper size is covered on receptacle wall；Before covering rubber seal, in socket, rubber seal
The non-grease lubricant of contact surface smearing of circle, bellmouth；
（3）Jointing processing is carried out at the docking of the lateral wall of the madial wall and socket of bellmouth, and in the madial wall except bellmouth
It is right angled triangle or right angle that docking with the lateral wall of socket, which is sentenced and forms a cross section on the pipeline outer wall of outer socket,
Trapezoidal jointing annular protrusion；Right angled triangle or the right-angle side of right-angled trapezium cross section are close to connect with bellmouth outside end,
Bevel edge is close to the top of the right angled triangle of bellmouth outside end or the right-angle side of right-angled trapezium far from bellmouth outside end
It is located on same anchor ring with bellmouth outside end outer ring surface, the included angle of bevel edge and receptacle wall is 30 ° -60 °；
（4）It is brushed at base on the pipeline outer tube wall of both sides on the outer ring surface of jointing annular protrusion and at pipeline joint-seam on socket
Agent is managed, the width of base treatment oxidant layer distinguishes extension at least 400mm on the pipeline outer tube wall of both sides along seam crossing；
（5）The spraying spraying rapid hardening liguid rubber layer in base treatment oxidant layer；
（6）After spraying rapid hardening liguid rubber layer dry solidification, in spraying one layer of pyrocondensation belt of rapid hardening liguid rubber layer outer cladding, heat
The joint area of contracting band is welded with hot air welding gun, and fire-cureing pyrocondensation belt with liquefaction gas spray gun makes its contraction, is tightly wrapped up in and is held pipeline and connect
Seam.
Pointing is in waterproof mortar, epoxy putty, flexible putty for external wall, pitch ointment or butyl rubber sealing compound
It is any.
A kind of construction method of the waterproof construction of bell and spigot concrete pipe seam crossing, includes the following steps,
（1）The length being inserted on bell and spigot concrete pipe socket in bellmouth is insertion section, apart from pipeline on the receptacle wall of pipeline
The distance of socket end be that the ring that the cross section that one consolidates with socket outer tube wall is right-angled trapezium is added at the length of insertion section
Shape protrusion；And in the cross section of right-angled trapezium, right-angle side is close to bellmouth outside end, and the bevel edge of right-angled trapezium is far from bellmouth outer end
The bottom of end, right-angled trapezium is located on the outer wall of socket, and the bevel edge of right-angled trapezium is 60 ° with the angle of bottom angle,
The upper bottom edge of right-angled trapezium is located at bellmouth end outer ring surface on same anchor ring；Annular protrusion is integrally formed with pipeline；
（2）It removes at two tube seams on interface and on two pipe inside and outside walls away from whole dusts in seam crossing at least 400mm and different
Object, in the contact surface of two pipelines, i.e., the socket of one pipeline and the contact surface of the bellmouth of another pipeline smear non-grease lubricant；
（3）The adaptable rubber seal of upper size is covered on the outer wall of socket insertion section, is docked the socket and bellmouth of two pipelines, is inserted
Mouth and bellmouth form seam, the seam specially formed between insertion section and bellmouth and the seam formed between annular protrusion and bellmouth；
（4）Along seam crossing, brushing base treatment agent, base treatment oxidant layer are covered in right-angled trapezium on socket on the duct wall of both sides
At the outside of protrusion and pipeline joint-seam on the pipeline outer tube wall of both sides, for fixing laitance, gravel, increasing surface cleanliness and strong
Degree ensures that adhesiving effect, the width of base treatment oxidant layer distinguish extension at least along seam crossing on the pipeline outer tube wall of both sides
400mm；
（5）With Non-woven tape, epoxy putty, flexible putty for external wall or butyl rubber sealing compound at the port of seam crossing outer end
Any one of fill and lead up compacting, i.e., it is equal with base treatment oxidant layer outer ring surface；Its effect is to prevent subsequent shrink belt right
Oral area position seam crossing excess shrinkage forms recess, influences beauty, while playing the role of waterproof reinforced layer.
（6）Spraying spraying rapid hardening liquid rubber forms the spraying rapid hardening being covered in above at gap in base treatment oxidant layer
Liguid rubber layer；
（7）After spraying rapid hardening liguid rubber layer dry solidification, in spraying one layer of pyrocondensation belt of rapid hardening liguid rubber layer outer cladding, heat
Contracting band rides over around a circle of pipeline, then the one of shrink belt on other end, the joint area hot air welding gun of pyrocondensation belt
It welds, fire-cureing pyrocondensation belt with liquefaction gas spray gun makes its contraction, tightly wraps up in and holds pipeline joint-seam.
In step（3）In, after the adaptable rubber seal of upper size is covered on the outer wall of socket insertion section, first in insertion section
End and corresponding bellmouth end face on smear modified pitch ointment, then dock the socket and bellmouth of two pipelines.
The present invention fixes laitance by base treatment oxidant layer, gravel, increases surface cleanliness and intensity, ensures subsequent spray
Applying rapid hardening liguid rubber layer or uncured rubber asphalt waterproof coating layer and pipeline has good adhesiving effect, uncured rubber
Asphalt waterproofing paint is a kind of material in -20 degree to 80 degree of presentation high polymer viscous states, there is good self-healing function and creep
Characteristic, stress is heated all can auto-mending defect.Spray rapid hardening liguid rubber layer waterproof, antiseepage, anti-corrosion, and with caking property and
Temperature sensitivity, spraying rapid hardening liguid rubber layer is heated to become sticky at 80 DEG C or more, adheres to shrink belt, and shrink belt melts
Melt temperature and be more than 140 DEG C, therefore will not melt, and perfect adherency is formed with coating.Pyrocondensation belt has both good anti-external impact energy
Power and plastic deformation ability, percent thermal shrinkage >=15%, tensile strength >=17MPa, elongation at break >=400%, acid and alkali resistance, salt are rotten
Erosion.
Pyrocondensation belt is crosslinked polyethylene material, and stretched orientation when being produced because of it, quickly cooling is shaped, when reheating,
The memory effect of high molecular material can promote its contraction at a certain temperature, to wrap concrete duct, be arrived in temperature height
When plastic molten melt temperature, when two connectors of two thermal contraction slices together when can it is melt bonded together.The present invention liquefies
Gas spray gun, which fire-cures pyrocondensation belt, makes its contraction tightly wrap up in when holding at pipeline joint-seam, due to heat transfer, with temperature sensitivity
Spraying rapid hardening liguid rubber layer is again pico- to be softened and sticks into one with pyrocondensation belt, to realize partly just semi-flexible pipe joint,
The destruction for being released effectively pipe network stress, having mitigated abutment joint, reduces the generation of leakage.It is close to wrap up in patch for shrink belt heat shrinkable
After reality, when continuing heating, spraying rapid hardening liguid rubber layer is heated to become sticky at 80 DEG C or more, adheres to shrink belt, shrink belt
Melting temperature be more than 140 degree, therefore will not melt, and perfect adherency is formed with coating.
To which the waterproof construction of the present invention improves the reliability that pipe joint seals and durability, it can be achieved that pipe leakage
When rapid rescue repairing, save construction time and operating expenses, reduce the generation of leakage, to reduce Leakage for Groundwater
Pollution, extend pipeline service life, improve social benefit have great importance.
Description of the drawings
Fig. 1 is the structural schematic diagram of flat mouth concrete pipe tube wall seam.
Fig. 2 is the structural schematic diagram of steel bellmouth concrete pipe tube wall seam.
Fig. 3 is the structural schematic diagram of bell and spigot concrete pipe tube wall seam.
Fig. 4 is the waterproof construction schematic diagram of steel bellmouth concrete pipe tube wall seam crossing.
Fig. 5 is a kind of waterproof construction schematic diagram of bell and spigot concrete pipe tube wall seam crossing.
Fig. 6 is another waterproof construction schematic diagram of bell and spigot concrete pipe tube wall seam crossing.
Specific implementation mode
As shown in Figure 4-Figure 6, the waterproof construction of a kind of bell and spigot or steel bellmouth concrete pipe seam crossing, including at pipeline joint-seam
Base treatment oxidant layer 1 on the pipeline outer wall of both sides, base treatment oxidant layer 1 along seam crossing on the pipeline outer tube wall of both sides distinguish outside
It is extended down to few 400mm；Base treatment oxidant layer is equipped with the spraying rapid hardening liquid for the 1.5mm-2.5mm thickness being covered in above seam crossing
Rubber layer 2, spraying rapid hardening liguid rubber layer 2 distinguish extension at least 300mm on the pipeline outer tube wall of both sides along seam crossing；Spraying
Pyrocondensation belt 3 is coated on rapid hardening liguid rubber layer, the thickness of pyrocondensation belt 3 is at least 1mm.Spraying rapid hardening liguid rubber layer waterproof,
Antiseepage, anti-corrosion, and there is certain caking property and good temperature sensitivity.
The uncured rubber that thickness is 1mm-2mm is additionally provided between base treatment oxidant layer and spraying rapid hardening liguid rubber layer to drip
Green waterproof coating layer 4.Using the creep of uncured rubber asphalt waterproof coating, self-healing property, ensure adherency and waterproof effect.
Uncured rubber asphalt waterproof coating layer 4 distinguishes perimetric length and spray on the pipeline outer tube wall of both sides along seam crossing
It is identical to apply rapid hardening liguid rubber layer.
Base treatment agent is and sprays rapid hardening liguid rubber layer and uncured rubber asphalt waterproof coating layer respectively chemically
The compatible epoxy type base treatment agent of energy, such as epoxy resin, the permeable class material of modified epoxy class.
Epoxy type base treatment agent is two component epoxy base treatment agent or single-component epoxy base treatment agent；Two-component ring
Oxygen base treatment agent is the mixture of oil-soluble epoxy resin and curing agent, and curing agent is imidazoles, polyamide and anhydride
Epoxy hardener, single-component epoxy base treatment agent are emulsion type epoxy modified acrylic resin；Two component epoxy base treatment
Curing agent used in agent is imidazoles, polyamide and anhydride epoxy hardener.Oil-soluble epoxy resin is that temperature is less than 25
DEG C when be solid bisphenol A type epoxy resin or bisphenol f type epoxy resin, epoxide number is between 0.2-0.5.
As shown in figure 4, a kind of construction method of the waterproof construction of steel bellmouth concrete pipe seam crossing, includes the following steps,
（1）Remove steel bellmouth 6 liang of adjacent 7 interfaces of connecting pipe seam crossing of concrete pipe on and two pipe inside and outside walls on away from seam crossing extremely
Whole dusts and foreign matter in few 400mm smear non-grease lubricant in the interface of two pipelines connection, as vaseline lotion,
Rubber modified asphalt ointment or the uncured coating of modified rubber；
（2）Brushing base treatment agent forms base treatment oxidant layer on the pipeline outer tube wall of both sides at the pipeline joint-seam, for fixing
Laitance, increases surface cleanliness and intensity at gravel, ensures adhesiving effect, and the width of base treatment oxidant layer is along seam crossing to both sides
Pipeline outer tube wall on respectively extension at least 400mm, it is then greasy with Non-woven tape 5, epoxy at 7 outer end port 71 of seam crossing
Any one of son, flexible putty for external wall or butyl rubber sealing compound fill and lead up compacting, the i.e. outer ring surface with base treatment oxidant layer
It is equal；
Or the adaptable sealing rubber ring of upper size is covered in the gap of two adjacent channels connection, then both sides at pipeline joint-seam
Pipeline outer tube wall on brushing base treatment agent formed base treatment oxidant layer, for fix laitance, gravel, increase surface cleanliness
And intensity, ensure that adhesiving effect, the width of base treatment oxidant layer are extended down to along seam crossing on the pipeline outer tube wall of both sides outside respectively
Few 400mm；
（3）Spraying spraying rapid hardening liquid rubber forms the spraying rapid hardening liquid being covered in above seam crossing in base treatment oxidant layer
Rubber layer；
（4）After spraying rapid hardening liguid rubber layer dry solidification, in spraying one layer of pyrocondensation belt of rapid hardening liguid rubber layer outer cladding, heat
Contracting band rides over around a circle of pipeline, then the one of shrink belt on other end, the joint area hot air welding gun of pyrocondensation belt
It welds, fire-cureing pyrocondensation belt with liquefaction gas spray gun makes its contraction, tightly wraps up in and holds pipeline joint-seam；By heat transfer, there is temperature
The liguid rubber layer of sensibility softens and sticks into one with pyrocondensation belt slightly；
It is the spraying rapid hardening liquid rubber being modified to liquid rubber with plasticizer to spray rapid hardening liquid rubber, and plasticizer can be
DOS, DOA or basic oils, volume are spray rapid hardening liquid rubber weight 0 ~ 8%.
The step（2）In Non-woven tape be butyl rubber belt.
The step（3）In, uncured rubber drip is additionally provided between base treatment oxidant layer and spraying rapid hardening liquid rubber
Uncured rubber asphalt waterproof coating is first heated and is melted, first sprayed or brush in base treatment oxidant layer by green waterproof coating layer
Uncured rubber asphalt waterproof coating, and extension at least 300mm is distinguished on the pipeline outer tube wall of both sides along seam crossing, thickness is
1mm-2mm；Rapid hardening liquid rubber, thickness 1.5mm-2mm are sprayed on uncured rubber asphalt waterproof coating layer again.
As shown in figure 5, a kind of construction method of the waterproof construction of bell and spigot concrete pipe seam crossing, includes the following steps,
（1）Remove bell and spigot 8 liang of adjacent 7 interfaces of connecting pipe seam crossing of concrete pipe on and two pipe inside and outside walls on away from seam crossing extremely
Whole dusts and foreign matter in few 400mm；
（2）The corresponding rubber seal 81 of upper size is covered on 80 outer wall of socket, before covering rubber seal, in socket, rubber
The non-grease lubricant of contact surface smearing of sealing ring, bellmouth, as vaseline lotion, rubber modified asphalt ointment or modified rubber are non-
It is coating material solidified；
（3）82 carry out jointing processing at the docking of the lateral wall of the madial wall and socket 80 of bellmouth 85, i.e., in rubber seal
External seam crossing carries out jointing processing, and in inserting in addition to 82 at the docking of the madial wall of bellmouth and the lateral wall of socket
It is right angled triangle 83 or the jointing annular protrusion of right-angled trapezium that a cross section is formed on the pipeline outer wall of mouth；Right angled triangle
Or the right-angle side 830 of right-angled trapezium cross section is close to connect with 85 outside end 850 of bellmouth, bevel edge 831 is far from bellmouth outer end end
Portion 850, and it is close to the top 832 and the bellmouth outer end end of the right angled triangle of bellmouth outside end or the right-angle side of right-angled trapezium
Portion's outer ring surface 851 is located on same anchor ring, and the included angle A angle of bevel edge 831 and receptacle wall 800 is 30 ° -60 °；Polyethylene heat is received
Contracting sheet material when shrinkage ratio difference is larger, can not be fully retracted to position, can form cavity, so needing in heat shrinkable
One is shunk transition region from small to large, with ensure can be fully wrapped around closely knit by bell and spigot position after shrinkage band is shunk, is not left a blank
Chamber.
Pointing is waterproof mortar, epoxy putty, in flexible putty for external wall, pitch ointment or butyl rubber sealing compound
It is any.The existing certain water-proof function of pointing itself, and can play a supporting role to pyrocondensation belt, reduce because caliber becomes
Greatly to the additional demand of pyrocondensation belt pyrocondensation deflection.
（4）The brushing base on the pipeline outer tube wall of both sides on the outer ring surface of jointing annular protrusion and at pipeline joint-seam on socket
Layer inorganic agent ensures adhesiving effect, the width of base treatment oxidant layer for fixing laitance, gravel, increasing surface cleanliness and intensity
Degree distinguishes extension at least 400mm on the pipeline outer tube wall of both sides along seam crossing；
（5）The spraying spraying rapid hardening liguid rubber layer in base treatment oxidant layer；
（6）After spraying rapid hardening liguid rubber layer dry solidification, in spraying one layer of pyrocondensation belt of rapid hardening liguid rubber layer outer cladding, heat
Contracting band rides over around a circle of pipeline, then the one of shrink belt on other end, the joint area hot air welding gun of pyrocondensation belt
It welds, fire-cureing pyrocondensation belt with liquefaction gas spray gun makes its contraction, tightly wraps up in and holds pipeline joint-seam；By heat transfer, there is temperature
The liguid rubber layer of sensibility softens and sticks into one with pyrocondensation belt slightly.
The step（6）In, uncured rubber drip is additionally provided between base treatment oxidant layer and spraying rapid hardening liquid rubber
Uncured rubber asphalt waterproof coating is first heated and is melted, first sprayed or brush in base treatment oxidant layer by green waterproof coating layer
Uncured rubber asphalt waterproof coating, and extension at least 300mm is distinguished on the pipeline outer tube wall of both sides along seam crossing, thickness is
1mm-2mm；Spraying spraying rapid hardening liquid rubber, thickness 1.5mm-2mm on uncured rubber asphalt waterproof coating layer again.
As shown in fig. 6, a kind of construction method of the waterproof construction of bell and spigot concrete pipe seam crossing, includes the following steps,
（1）On 8 socket 80 of bell and spigot concrete pipe be inserted into bellmouth 85 in length be insertion section 10, on the receptacle wall of pipeline away from
It is that the cross section that one consolidates with 80 outer tube wall of socket is added at the length of insertion section is right angle with a distance from socket end from pipeline
Trapezoidal 9 annular protrusion；And in the cross section of right-angled trapezium 9, right-angle side 90 is close to 85 outside end 850 of bellmouth, right-angled trapezium
Bevel edge 91 far from 85 outside end 850 of bellmouth, the bottom 92 of right-angled trapezium is located on the outer wall of socket 80, right-angled trapezium
The angle of bevel edge 91 and bottom angle is 60 °, and upper bottom edge 93 and the bellmouth end outer ring surface of right-angled trapezium are located at same anchor ring
On；A symmetrical structure is formed when to be connect with bellmouth, ensures that following shrink belt closely knit can wrap up in patch tube seam varying diameter portion
Position.Such two pipelines be more easy to just, be not likely to produce displacement, be not likely to produce and raise head and stick up tail.Annular protrusion is integrally formed with pipeline.
（2）It removes at two tube seams on interface and on two pipe inside and outside walls away from whole dusts in seam crossing at least 400mm
And foreign matter, in the contact surface of two pipelines, i.e., the socket of one pipeline and the contact surface of the bellmouth of another pipeline smear non-grease profit
Lubrication prescription, such as vaseline lotion, rubber modified asphalt ointment or the uncured coating of modified rubber.
（3）The adaptable rubber seal 81 of upper size is covered on the outer wall of socket insertion section, docks the socket 80 of two pipelines
With bellmouth 85, socket 80 and bellmouth 85 form seam, the seam specially formed between insertion section 10 and bellmouth 85 and annular protrusion
The seam formed between bellmouth 85；
（4）Along seam crossing, brushing base treatment agent, base treatment oxidant layer are covered in right-angled trapezium on socket on the duct wall of both sides
At the outside of protrusion and pipeline joint-seam on the pipeline outer tube wall of both sides, for fixing laitance, gravel, increasing surface cleanliness and strong
Degree ensures that adhesiving effect, the width of base treatment oxidant layer distinguish extension at least along seam crossing on the pipeline outer tube wall of both sides
400mm；
（5）It is close with Non-woven tape 5, epoxy putty, flexible putty for external wall or butyl rubber at 7 outer end port 70 of seam crossing
Any one of envelope cream fills and leads up compacting, i.e., equal with base treatment oxidant layer outer ring surface；Its effect is to prevent subsequent shrink belt
In counterpart position seam crossing excess shrinkage, recess is formed, influences beauty, while playing the role of waterproof reinforced layer；
（6）Spraying spraying rapid hardening liquid rubber forms the spraying rapid hardening liquid being covered in above at gap in base treatment oxidant layer
Rubber layer；
（7）After spraying rapid hardening liguid rubber layer dry solidification, in spraying one layer of pyrocondensation belt of rapid hardening liguid rubber layer outer cladding, heat
Contracting band rides over around a circle of pipeline, then the one of shrink belt on other end, the joint area hot air welding gun of pyrocondensation belt
It welds, fire-cureing pyrocondensation belt with liquefaction gas spray gun makes its contraction, tightly wraps up in and holds pipeline joint-seam；By heat transfer, there is temperature
The liguid rubber layer of sensibility softens and sticks into one with pyrocondensation belt slightly.
Pyrocondensation belt is crosslinked polyethylene material, and stretched orientation when being produced because of it, quickly cooling is shaped, when reheating,
The memory effect of high molecular material can promote its contraction at a certain temperature, to wrap concrete duct, be arrived in temperature height
When plastic molten melt temperature, when two connectors of two thermal contraction slices together when can it is melt bonded together.
The step（7）In, uncured rubber drip is additionally provided between base treatment oxidant layer and spraying rapid hardening liquid rubber
Uncured rubber asphalt waterproof coating is first heated and is melted, first sprayed or brush in base treatment oxidant layer by green waterproof coating layer
Uncured rubber asphalt waterproof coating, and extension at least 300mm is distinguished on the pipeline outer tube wall of both sides along seam crossing, thickness is
1mm-2mm；Spraying spraying rapid hardening liquid rubber, thickness 1.5mm-2mm on uncured rubber asphalt waterproof coating layer again.
In step（3）In, after the adaptable rubber seal of upper size is covered on the outer wall of socket insertion section, first in insertion section
Modified pitch ointment 101 is smeared on 10 end 100 and corresponding bellmouth end face, then is docked the socket 80 of two pipelines and held
Mouth 85.
The present invention with liquefaction gas spray gun fire-cure pyrocondensation belt make its contraction tightly wrap up in hold at pipeline joint-seam when, due to heat pass
It passs, the liguid rubber layer with temperature sensitivity is again pico- to be softened and stick into one with pyrocondensation belt, and shrink belt melting temperature is big
In 140 DEG C, 80 DEG C of liquid rubber is heated to become sticky, and is in semi-molten state, and shrink belt is and molten in 100 DEG C or so rapid desufflations
The closely knit stickup of liquid rubber melted, ensures the waterproof effect of interface.To realize half rigid semi-flexible pipe joint, it is released effectively
Pipe network stress, the destruction for mitigating abutment joint, reduce the generation of leakage.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise of not departing from general idea of the present invention, several changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (10)
1. the waterproof construction of a kind of bell and spigot or steel bellmouth concrete pipe seam crossing, it is characterised in that：Including both sides at pipeline joint-seam
Base treatment oxidant layer on pipeline outer wall, base treatment oxidant layer distinguish extension at least along seam crossing on the pipeline outer tube wall of both sides
400mm；Base treatment oxidant layer is equipped with the spraying rapid hardening liquid rubber for the 1.5mm-2.5mm thickness being covered in above seam crossing
Layer, spraying rapid hardening liguid rubber layer distinguish extension at least 300mm on the pipeline outer tube wall of both sides along seam crossing；Spray rapid hardening liquid
Pyrocondensation belt is coated on body rubber layer, the thickness of pyrocondensation belt is at least 1mm.
2. the waterproof construction of bell and spigot according to claim 1 or steel bellmouth concrete pipe seam crossing, it is characterised in that：Base
It is 1mm- that the thickness that uncured rubber asphalt waterproof coating is formed is additionally provided between processing oxidant layer and spraying rapid hardening liguid rubber layer
The uncured rubber asphalt waterproof coating layer of 2mm.
3. the waterproof construction of bell and spigot according to claim 2 or steel bellmouth concrete pipe seam crossing, it is characterised in that：It is non-solid
Change rubber asphalt waterproof coating layer and distinguishes perimetric length and spraying rapid hardening liquid rubber on the pipeline outer tube wall of both sides along seam crossing
Glue-line is identical.
4. the waterproof construction of bell and spigot according to claim 3 or steel bellmouth concrete pipe seam crossing, it is characterised in that：Base
Inorganic agent is the epoxy compatible with spraying rapid hardening liguid rubber layer and uncured rubber asphalt waterproof coating layer difference chemical property
Type base treatment agent.
5. the waterproof construction of bell and spigot according to claim 1 or steel bellmouth concrete pipe seam crossing, it is characterised in that：Epoxy
Type base treatment agent is two component epoxy base treatment agent or single-component epoxy base treatment agent；Two component epoxy base treatment agent
For the mixture of oil-soluble epoxy resin and curing agent, curing agent is imidazoles, polyamide and anhydride epoxy hardener, list
Component epoxy base treatment agent is emulsion type epoxy modified acrylic resin；Curing agent used in two component epoxy base treatment agent
For imidazoles, polyamide and anhydride epoxy hardener.
6. the construction method of the waterproof construction of steel bellmouth concrete pipe seam crossing according to claim 1, it is characterised in that：Packet
Include following steps,
（1）It removes at two tube seams on interface and on two pipe inside and outside walls away from whole dusts in seam crossing at least 400mm and different
Object smears non-grease lubricant in the interface of two pipelines connection；
（2）Brushing base treatment agent forms base treatment oxidant layer on the pipeline outer tube wall of both sides at the pipeline joint-seam, for fixing
Laitance, increases surface cleanliness and intensity at gravel, ensures adhesiving effect, and the width of base treatment oxidant layer is along seam crossing to both sides
Pipeline outer tube wall on respectively extension at least 400mm, then at the port of seam crossing outer end with Non-woven tape, epoxy putty,
Any one of flexible putty for external wall or butyl rubber sealing compound fill and lead up compacting；
Or the adaptable sealing rubber ring of upper size is covered in the gap of two adjacent channels connection, then both sides at pipeline joint-seam
Pipeline outer tube wall on brushing base treatment agent form base treatment oxidant layer, the width of base treatment oxidant layer is along seam crossing to both sides
Pipeline outer tube wall on respectively extension at least 400mm；
（3）Spraying spraying rapid hardening liquid rubber forms the spraying rapid hardening liquid being covered in above seam crossing in base treatment oxidant layer
Rubber layer；
（4）After spraying rapid hardening liguid rubber layer dry solidification, in spraying one layer of pyrocondensation belt of rapid hardening liguid rubber layer outer cladding, heat
The joint area of contracting band is welded with hot air welding gun, and fire-cureing pyrocondensation belt with liquefaction gas spray gun makes its contraction, is tightly wrapped up in and is held pipeline and connect
Seam.
7. the construction method of the waterproof construction of bell and spigot concrete pipe seam crossing according to claim 1, it is characterised in that：Packet
Include following steps,
（1）It removes at two tube seams on interface and on two pipe inside and outside walls away from whole dusts in seam crossing at least 400mm and different
Object；
（2）The corresponding rubber seal of upper size is covered on receptacle wall；Before covering rubber seal, in socket, rubber seal
The non-grease lubricant of contact surface smearing of circle, bellmouth；
（3）Jointing processing is carried out at the docking of the lateral wall of the madial wall and socket of bellmouth, and in the madial wall except bellmouth
It is right angled triangle or right angle that docking with the lateral wall of socket, which is sentenced and forms a cross section on the pipeline outer wall of outer socket,
Trapezoidal jointing annular protrusion；Right angled triangle or the right-angle side of right-angled trapezium cross section are close to connect with bellmouth outside end,
Bevel edge is close to the top of the right angled triangle of bellmouth outside end or the right-angle side of right-angled trapezium far from bellmouth outside end
It is located on same anchor ring with bellmouth outside end outer ring surface, the included angle of bevel edge and receptacle wall is 30 ° -60 °；
（4）It is brushed at base on the pipeline outer tube wall of both sides on the outer ring surface of jointing annular protrusion and at pipeline joint-seam on socket
Agent is managed, the width of base treatment oxidant layer distinguishes extension at least 400mm on the pipeline outer tube wall of both sides along seam crossing；
（5）Spraying spraying rapid hardening liquid rubber forms the spraying rapid hardening liquid being covered in above seam crossing in base treatment oxidant layer
Rubber layer；
（6）After spraying rapid hardening liguid rubber layer dry solidification, in spraying one layer of pyrocondensation belt of rapid hardening liguid rubber layer outer cladding, heat
The joint area of contracting band is welded with hot air welding gun, and fire-cureing pyrocondensation belt with liquefaction gas spray gun makes its contraction, is tightly wrapped up in and is held pipeline and connect
Seam.
8. the construction method of the waterproof construction of bell and spigot concrete pipe seam crossing according to claim 7, it is characterised in that：It hooks
It is any one of waterproof mortar, epoxy putty, flexible putty for external wall, pitch ointment or butyl rubber sealing compound to stitch material.
9. the construction method of the waterproof construction of bell and spigot concrete pipe seam crossing according to claim 1, it is characterised in that：Packet
Include following steps,
（1）The length being inserted on bell and spigot concrete pipe socket in bellmouth is insertion section, apart from pipeline on the receptacle wall of pipeline
The distance of socket end be that the ring that the cross section that one consolidates with socket outer tube wall is right-angled trapezium is added at the length of insertion section
Shape protrusion；And in the cross section of right-angled trapezium, right-angle side is close to bellmouth outside end, and the bevel edge of right-angled trapezium is far from bellmouth outer end
The bottom of end, right-angled trapezium is located on the outer wall of socket, and the bevel edge of right-angled trapezium is 60 ° with the angle of bottom angle,
The upper bottom edge of right-angled trapezium is located at bellmouth end outer ring surface on same anchor ring；Annular protrusion is integrally formed with pipeline；
（2）It removes at two tube seams on interface and on two pipe inside and outside walls away from whole dusts in seam crossing at least 400mm and different
Object, in the contact surface of two pipelines, i.e., the socket of one pipeline and the contact surface of the bellmouth of another pipeline smear non-grease lubricant；
（3）The adaptable rubber seal of upper size is covered on the outer wall of socket insertion section, is docked the socket and bellmouth of two pipelines, is inserted
Mouth and bellmouth form seam, the seam specially formed between insertion section and bellmouth and the seam formed between annular protrusion and bellmouth；
（4）Along seam crossing, brushing base treatment agent, base treatment oxidant layer are covered in right-angled trapezium on socket on the duct wall of both sides
At the outside of protrusion and pipeline joint-seam on the pipeline outer tube wall of both sides, the width of base treatment oxidant layer is along seam crossing to the pipe of both sides
Extension at least 400mm is distinguished on road outer tube wall；
（5）With Non-woven tape, epoxy putty, flexible putty for external wall or butyl rubber sealing compound at the port of seam crossing outer end
Any one of fill and lead up compacting, i.e., it is equal with base treatment oxidant layer outer ring surface；Its effect is to prevent subsequent shrink belt right
Oral area position seam crossing excess shrinkage forms recess, influences beauty, while playing the role of waterproof reinforced layer；
（6）Spraying spraying rapid hardening liquid rubber forms the spraying rapid hardening liquid being covered in above at gap in base treatment oxidant layer
Rubber layer；
（7）After spraying rapid hardening liguid rubber layer dry solidification, in spraying one layer of pyrocondensation belt of rapid hardening liguid rubber layer outer cladding, heat
The joint area of contracting band is welded with hot air welding gun, and fire-cureing pyrocondensation belt with liquefaction gas spray gun makes its contraction, is tightly wrapped up in and is held pipeline and connect
Seam.
10. the construction method of the waterproof construction of bell and spigot concrete pipe seam crossing according to claim 9, it is characterised in that：
In step（3）In, after the adaptable rubber seal of upper size is covered on the outer wall of socket insertion section, first in the end of insertion section and
Modified pitch ointment is smeared in corresponding bellmouth end face, then docks the socket and bellmouth of two pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810334517.2A CN108487414A (en) | 2018-04-14 | 2018-04-14 | The waterproof construction and construction method of bell and spigot or steel bellmouth concrete pipe seam crossing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810334517.2A CN108487414A (en) | 2018-04-14 | 2018-04-14 | The waterproof construction and construction method of bell and spigot or steel bellmouth concrete pipe seam crossing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108487414A true CN108487414A (en) | 2018-09-04 |
Family
ID=63316191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810334517.2A Pending CN108487414A (en) | 2018-04-14 | 2018-04-14 | The waterproof construction and construction method of bell and spigot or steel bellmouth concrete pipe seam crossing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108487414A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140118A (en) * | 2018-09-27 | 2019-01-04 | 江苏清源管道技术有限公司 | A kind of long-distance pipe anti-corrosive apparatus and method |
| CN109855522A (en) * | 2018-10-24 | 2019-06-07 | 广州库克科技有限公司 | A kind of displacement detection system and method for tunnel space deformation |
| CN110953416A (en) * | 2020-01-16 | 2020-04-03 | 中建七局安装工程有限公司 | Pipe joint sealing method for socket type reinforced concrete drain pipe |
| CN110984341A (en) * | 2020-01-02 | 2020-04-10 | 中建七局安装工程有限公司 | Concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method |
| CN110984342A (en) * | 2020-01-02 | 2020-04-10 | 中建七局安装工程有限公司 | Seepage-proofing and water-leakage-proofing construction method for plain and grooved pipelines |
| CN111255044A (en) * | 2020-01-13 | 2020-06-09 | 中国一冶集团有限公司 | Flat-opening type rainwater pipe flexible connection structure and connection method |
-
2018
- 2018-04-14 CN CN201810334517.2A patent/CN108487414A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140118A (en) * | 2018-09-27 | 2019-01-04 | 江苏清源管道技术有限公司 | A kind of long-distance pipe anti-corrosive apparatus and method |
| CN109855522A (en) * | 2018-10-24 | 2019-06-07 | 广州库克科技有限公司 | A kind of displacement detection system and method for tunnel space deformation |
| CN109855522B (en) * | 2018-10-24 | 2020-12-01 | 广州库克测控科技有限公司 | Displacement detection system and method for tunnel space deformation |
| CN110984341A (en) * | 2020-01-02 | 2020-04-10 | 中建七局安装工程有限公司 | Concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method |
| CN110984342A (en) * | 2020-01-02 | 2020-04-10 | 中建七局安装工程有限公司 | Seepage-proofing and water-leakage-proofing construction method for plain and grooved pipelines |
| CN111255044A (en) * | 2020-01-13 | 2020-06-09 | 中国一冶集团有限公司 | Flat-opening type rainwater pipe flexible connection structure and connection method |
| CN110953416A (en) * | 2020-01-16 | 2020-04-03 | 中建七局安装工程有限公司 | Pipe joint sealing method for socket type reinforced concrete drain pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108487414A (en) | The waterproof construction and construction method of bell and spigot or steel bellmouth concrete pipe seam crossing | |
| CN108825269B (en) | Mechanical method connecting channel T-shaped junction self-adaptive waterproof structure | |
| CN109440951A (en) | New-old concrete works intersection stitches waterproof construction and construction technology | |
| KR100344940B1 (en) | Manufacturing method of unvulcanize adhesion waterproof sheet and construction method for waterproof using the waterproof sheet | |
| CN104847382A (en) | Self-adhesive composite waterproof layer for tunnel and paving method of self-adhesive composite waterproof layer | |
| CN105002794A (en) | Composite material and method for conducting ballastless track waterproof maintenance by adopting composite material | |
| CN111173045A (en) | Construction method for pre-paving and reversely adhering TPO (thermoplastic polyolefin) waterproof coiled material of basement bottom plate | |
| CN205224122U (en) | Basement waterproofing bottom plate | |
| CN205422751U (en) | Waterproofing membrane of composite waterproof layer and applied this waterproof layer | |
| CN104762999A (en) | Self-adhesion coiled material underground waterproof construction method | |
| CN109056801A (en) | A kind of pipe gallery Slab Waterproof Construction technique | |
| CN205224089U (en) | Basement waterproofing side wall | |
| CN215563142U (en) | Water conservancy construction underground drainage pipeline | |
| KR101309338B1 (en) | Method for sealing gap between concrete block | |
| CN110953416A (en) | Pipe joint sealing method for socket type reinforced concrete drain pipe | |
| CN209397743U (en) | New-old concrete works intersection stitches waterproof construction | |
| CN207437099U (en) | A kind of elasticity grouting back-pressure sealing structure at expansion joint | |
| CN109537428A (en) | A kind of beams of concrete face and its construction method with waterproof roll | |
| CN208023622U (en) | A kind of epoxy resin and CMG grouting material waterproofing and leakage-stopping devices | |
| CN109114360A (en) | A kind of high and cold Pipeline joint anticorrosion structure and method | |
| CN112982497A (en) | High-performance connecting structure for joint parts of new concrete and old concrete and construction method | |
| CN204627637U (en) | A kind of autohesion complex waterproof layer for tunnel | |
| CN213776657U (en) | Multiple sealed reinforced concrete pipe culvert with steel joint at socket end | |
| CN204717234U (en) | Directional traversing pipeline sheath tube end annular space waterproof construction | |
| CN210978982U (en) | Novel prefabricated joint heat preservation oversleeve of glass fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180904 |